Automatic stacking machine



April 21, 1931- J J. SEMASHKO 1,801,696

AUTOMATIC STACKING' MACHINE Filed Dec. 3. 1928 5 Sheets-Sheet l Jofin J Semasivka INVENTOR ATTORNEY p z 1931- J. J. SEMASHKO 1,801,696

AUTOMATIC STACKING MACHINE I Filed Dec. 5. 1928 5 Sheets-Sheet 2 1/0/77? v. Semasfika INVENTOR ATTOR NEY April 21, 1931. J J. SEMASHKO AUTOMATIC STACKING MACHINE 5 Sheets-Sheet 5 Filed Dec. 3, 1928 J0]??? 1 6227748776 3 BY wayw- April 21, 1931. J. J. SEMASHKO 1,801,696

AUTOMATIC STACKING MACHINE Filed Dec. 3. 1928 5 Sheets-Sheet 4 ATTORNEY April 21, 1931. J. J. SEMASHKO AUTOMATIC STACKING MACHINE Filed Dec. .3, 1928 5 Sheets-Sheet 5 (/0/22? d. Semas/rka INVENTOR ATTORNEY wrmzsswm Patented Apr. 21,1931

PATENT OFFICE JOHN J. SEMASHKO, or IvIORR-ISVILLE, PENNSYLVANIA AUTOMATIC STACKING MACHINE Application filed December 3, 1928. Serial No. 323,338.

This invention relates to a machine for re ceiving articles, such as tiles, from anothermachine and stacking them on a vertically movable member, with means for moving said member downwardly step by step so that the articles are stacked on said member, after which the stacked articles are removed. 7 v

This invention is an improvement over that forming the subject matterof my Patent, No. 1,661,969, dated March 6, 1928, and the general object of the invention is to provide power means for operating. the various parts of the machine, with means for controlling the operation of such means by the movement of the forming machine This invention'alsoconsists in certain other features of construction and in the combination and arrangement of the several parts,

i to be'hereinafter fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claims.

In describing the invention in detaih'reference will be had to the accompanying drawings wherein like characters'denote like or ure 2.

Figure 6 is a section on line 66 of Fig ure 2;. T

Figures 7, 8 and 9 are views largely diagrammati'qshowing the trip means for shift ing the clutch by the plungerof the forming l machine in various positions.

Figure 10 is a perspective view of the tray.

Figure Ills a perspective view of the means for operating the dog releasing means.

In these drawings, the numeral 1 indicates i the supporting frame which is placed adjai in the forming machine, it being understood cent the forming machine, a part of which is shown at A, said frame 1 having an extension 2 at one end thereof which supports the tray 3 for receiving the tiles or other objects made that the finished objects are pushed on to the tray by the placing of anew batch of material in'the forming machine. This tray is pro vided with the guides {t which divide the objects into rows; A track 5 is formed onthe top of the frame 1 for the carriage 6 which is also provided with the guides 7 which are in alignment with the guides 4' of the tray so that the guides will register with each other when the carriage is in its forward position so that the rows of objects from the tray will pass between the guides on the carriage when another batchof objects are pushed on to the tray. A yoke-shaped lever 8 is pivoted at its lower end to the lower part of the frame 1, as shown at 9, and the upper end of the lever is connected by a pin and slot connection with a depending part 10 on the carriage so that when this lever is rocked, the carriage will be moved forwardly or rearwardly.

I A rack bar 11 is guided for verticalmo'vement in the frame and has attached to its up per end a platform 12 for receivingthe objects from the carriage, the objects being pushed from the carriage on the platform by the cross piece 13 on the top'of the frame and having depending parts entering the spaces between the guides 7, whereby when the carriage is returning to its rearward position, after receiving the objects from the member 3,'tl1e projections on the cross piece 13 will scrape the objects from the carriage and they will drop upon the platform. This platform is normally held in raised position by a weight 14 which is connected with. a

bracket 15 on the rack bar by a cableor chain 16 which passes over a pulley 17. A dashpot arrangement 18 receives" the weight so that by adjusting the valve 19, of the dashpot,"the movement of the weight can be controlled. l v

A bar 20 is supported for vertical movement at one end ofthe frame and is normally held in raised position by a spring- 21. This bar carries a socket member 22 in which is located a spring actuated dog 23 which on gages the teeth of the rack b'ar and a second socket member 24: is fastened to a part of the frame and carries a spring actuated dog 25 which also engages the teeth o'fthe rack bar and acts as a holding dog. Thus when the bar 20 is moved downwardly by means hereinafter to be described, the dog 23 will move the rack bar and the platform downwardly and then the spring 21 returns the bar 20 to raised position again so that the rack bar and platform are given a step by step movement downwardly. The holding dog prevents the parts from being raised by the weight 14-.

The socket members and the dogs are slotted, and a notched bar 26 passes through the slots and the upper end of this bar is connected to a lever 26 by a link 26 and said lever is connected to a handle 27 by a link 27, said handle being normally held by a spring 28 against the tracks 29, so that by lowering the handle, the bar 26 is caused to move both dogs to releasing position and thus permit the weight 14 to raise the rack bar and its platform.

The above arrangement is substantially similar to the patented device, but in carrying out my invention, I provide power means for operating the various parts instead of operating them from the plunger 30 of the forming machine.

The numeral 31 indicates a shaft journaled in the frame and provided with a pulley 32 so that it can be driven from a motor or the like and a. sleeve 33 is loosely arranged on said shaft and has a pinion 3 1 at one end thereof and a clutch part 35 at its other end. A clutch collar 36 is slidably but non-rotatably arranged on the shaft so that by moving this collar into engagement with the clutch part, the sleeve will be caused to rotate with the shaft. A second shaft 37 is journaled in the frame above the shaft 31 and carries a gear 38 which meshes with the pinion A bov eled gear 39 is connected with this shaft 37 and a. vertically arranged shaft 40 is jour naled in the frame and carries a beveled gear 11 which meshes with the gear 39. A crank 4-2 is fastened to the upper end of the shaft 40 and a link 43 connects the crank with a brush arm 4.4: pivoted to a bracket carried by the frame, as shown at 4:5, and has a brush 4.6 at its other end which will sweep over the ob jects in the member 3 when the brush arm is oscillated by the movement of the shaft 4-2, so that said objects will be cleaned. I also attach nozzles 47 to the brush and connect these with a suitable source of compressed air so that dust and the like on the objects will be blown away by the air blast escaping from the nozzles.

A crank arm 48 is also attached to the shaft 37 and carries a roller 49 which engages a lever 50 pivoted intermediate its ends to a part of the frame so that this lever will be rocked once every revolution of the shaft 37 An eccentric 51 is adjustably fastened to the other end of the lever and engages a triangula-r shaped part 52 on the rod 20 so that as the lever 50 is rocked, it will lower the rod 20 to cause the dog 23 to lower the rack bar and its platform one step. By providing the eccentric, the amount of movement imparted to the bar 20 can be regulated. A second crank 53 is fastened to the shaft 37 and a.

link 54 connects this crank with the lever 8 so that the said lever is oscillated to move the carriage by the shaft 37. Thus the carriage is moved and the rack bar and its platform lowered by the power driven shaft 31 and the brush is also moved from this shaft. The time of movement of the parts by the power means is regulated from the plunger 30 which has a bell crank 55 pivoted to its lower end which, on the downward movement of the plunger, will engage a trip lever 56 pivoted to the frame and carrying a projection 57 for engaging a bell crank 58 pivoted to a bar 59 which is pivoted intermediate its ends to the frame and which is connected by an adjustable link 60 with a bell crank 61 engaging the clutch collar 36 so that the movement of this lever 59 under the action of the plunger will shift the clutch parts into engagement and thus cause the parts to be actuated by the power means. A weighted member 62 is pivoted to that end of the lever 59 to which the link 60 is connected and an eccentric 63 is fastened to the shaft 37. A trip member 64 is pivoted to said end of the lever 59 and acts to hold the member 63 in tilted position. A link 65 connects this trip member with the bell crank 58. Thus on the downward movement of the plunger 30, the bell crank 55 will engage the member 56 and cause the projection 57 to depress the bell crank 58. The rocking movement of. this bell crank will move the trip 64 from under the member 62 and further movement of the plunger will cause the projection 57 to engage the lever 59, thus moving the same to bring the oppoite end thereof against the member 62 and to press said member against the eccentric. Thus the clutch parts will be shifted into engagement with each other by the raising of the right hand end of the lever 59 and the power actuated parts will begin to operate. On the continued downward movement of the plunger, the bell crank 55 will strike an adjustable stop 66 on the forming machine so that the bell crank will be caused to leave the member 56, when. a spring 67 connected with the bell crank 58 will return the trip parts to normal position and at the same time the weight of member 62 will. tend to raise said member, but this action is prevented by the high part of the eccentric 63 engaging said member. As the shaft 37 continues to rotate, the low part of the eccentric will be brought into engagement with the member 62 so that said member will raise and engage the trip and then when the high part of the eccentric engages the member 62 again, the lever 59 will be moved back to its normal position so that the clutch will be released and the powerdriven parts will come to rest. Thus the plunger 30 controls the time of operation of the power driven means.

When the rack bar reachesits lowest position, a switch member 68 thereon will engage the contacts 69 which are arranged in a circu1t containing an alarm or other signal so that the operator will be notified that the platform is full and the objects must be removed therefrom. This may be done by sliding a part of the platform over the track 29.

It is thought from the foregoing description that the advantages and novel features of the invention will be readily apparent.

It is to be understood that changes may be made in the construction and in the combination and arrangement of the several parts, provided that such changes fall Within the scope of the appended claims.

What I claim is 1. An automatic stacking machine comprising a frame, a power shaft carried by the frame, a driven shaft carried by the frame, clutch control means for rotating the driven shaft by the drive shaft, a reciprocating carriage on the v frame, operating means between the driven shaft and the carriage, an article stacking member movable vertically on the frame to receive articles from the carriage, a spring pressed actuating bar slidable on the frame, means carried by the bar to impart a step by step movement to the stacking member in one direction by the movement of said bar, an operating lever pivoted to the frame and extending between the driven shaft and said bar, means imparting a rocking motion to the lever from the driven shaft, a triangular shaped plate secured to the bar and engaged by the lever to move the bar in one direction, means to release the stacking member to permit the latter to be returned to its initial position, and means to actuate the clutch control means.

2. An automatic stacking machine including a frame and a reciprocating carriage carried thereby, drive and driven shafts journaled to the frame,-a clutch control means between the shafts, a vertical rack bar slidable on the frame, a tray carried by the bar to receive articles from the carriage, means to reciprocate the carriage by the driven shaft, a spring pressedoperating bar on the frame, spring pressed dogs carried by the operating bar to engage the rack bar to move the latter in a step by step movement by the operation of the operating bar, means operating said last named bar by the driven shaft, means to actuate said clutch control means, a notched member engaging the dogs to release said dogs from the rack bar to permit the return of the tray to its initial position, and means to return the'tray to the initial position." V

3. An automatic stacking machine includment by the operating bar, means imparting movement to the operating bar from the driven shaft, a notched dog operating member slidable through the housings for disengaging the dogs from the rack bar, means to operate said dog operating member, means to return the tray to its initial position when released by the dogs, and means to actuate the clutch control means.

4. An automatic stacking machine including a frame carrying a carriage and a stacking tray receiving articles from the carriage,

drive and driven shafts carried by the frame,

clutch control means between said shafts,

means to operate the carriage by the driven shaft,means to operate the stacking tray in a step by step movement from the driven shaft, a lever pivoted intermediate the ends thereof to the frame, means connecting the lever to the clutch control means, a cam secured to the driven shaft, a weighted platepivoted to the lever to engage the cam, a pivoted catch on the lever to engage the plate, an actuating arm pivoted to the frame and extending parallel with the lever and adapted to be operated by aforming machine, a projection on the arm, a rod connected to the catch, and a spring pressed bell crank lever pivoted to the lever and to the rod to be engaged by the projection to release the catch from the plate andpermit the cam to actuate the clutch control means.

In testimony whereof I afiix my signature.

. JOHN J. SEMASHKO. 

